Keyboard including trackball



FIG. 1 is a top plan view of a keyboard including trackball showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof as seen from the left of FIG. 1;

FIG. 5 is a side elevational view thereof as seen from the right of FIG. 1;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top plan view of a second embodiment of my new design;

FIG. 8 is a front elevational view thereof;

FIG. 9 is a rear elevational view thereof;

FIG. 10 is a side elevational view thereof as seen from the left of FIG. 7;

FIG. 11 is a side elevational view thereof as seen from the right of FIG. 7;

FIG. 12 is a bottom plan view thereof. 

The ornamental design for a keyboard including trackball, as shown and described. 